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Compact linear LED driver from Diodes Incorporated suits low-current lighting systems

 

Diodes Incorporated has announced the AL5812 60V linear LED driver. The AL5812 delivers a constant current of up to 150mA and provides designers of low current illumination and signage applications with a simplified circuit solution for accurately controlling 1/2W LEDs. Housed in a small-footprint, thermally enhanced SM package option, the driver is able to meet power handling requirements over a wide supply voltage and ambient temperature range.

LED current is set using a high value resistor on the driver’s low voltage, 0.5V RSET pin, enabling the specification of a lower cost, smaller footprint resistor to reduce total system BOM cost. A standard low-value decoupling capacitor is the only other external component needed. The driver maintains an LED current accuracy to a tolerance of 3%. Offered in the exposed pad MSOP-8EP and U-DFN3030-6 packages, the AL5812 drives up to 16 low-power LEDs, with its open-drain output handling a swing from 1V to 60V. The driver’s industrial temperature range of -40ºC to +125ºC means it readily accommodates high luminaire operating temperatures.

Click here for more the datasheet.

 



 
Date Published :
07/11/2012
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